mischievous

1 tending to or exhibiting reckless playfulness the children had been so mischievous that we had to pay the babysitter extra and then clean up the mess Synonyms arch, devilish, elvish, espiègle, impish, knavish, leprechaunish, pixie (also pixy), pixieish, prankish, puckish, rascally, roguish, scampish, sly, tricksy, waggish, wicked Related Words antic, coltish, coy, frisky, frolicsome, kittenish, playful, sportful, sportive; gay, happy, lighthearted, whimsical; energetic, lively, spirited, sprightly; artful, crafty, cunning, trickish, tricky, wily; misbehaving, naughty, troublemaking; pestering, riling, teasing Near Antonyms grave, grim, sedate, sober, solemn, staid, stern

2 engaging in or marked by childish misbehavior punished for their mischievous tricks on the neighbors Synonyms bad, contrary, errant, froward, misbehaving, naughtyRelated Words defiant, disrespectful, ill-mannered, ill-natured, impolite, improper, impudent, indecorous, insolent, rude, uncouth, unmannerly; disobedient, headstrong, intractable, obstreperous, recalcitrant, refractory, transgressing, unruly, untoward, willful (or wilful); balky, restive, uncontrollable, ungovernable, wayward, wild; arch, elfish, impish, knavish, monkeying, monkeyish, ornery, pixieish, prankish, rascally, roguish, waggish; dissolute, perverse, wrongheaded; disorderly, rowdy, ruffianly; corrupt, evil, wicked; insurgent, mutinous, rebellious; disobliging, inconsiderate, selfish, thoughtless, unkind, unkindly; babyish, childish, immature, infantile, jejune, juvenile, kiddish, puerileNear Antonyms acquiescent, compliant, complying, dutiful, obedient, submissive; clean, correct, decent, decorous, moral, proper, respectable; considerate, courteous, kindly, mannerly, polite, thoughtful; angelic (or angelical), cherubic, divine, heavenly; amenable, docile, governable, tractable; amiable, complaisant, good-natured, obliging, pleasant; discreet, modest; adult, grown-up, matureAntonyms behaved, behaving, nice, orderly

3 causing or capable of causing harm mischievous gossip that ruined a good woman's reputation Synonyms adverse, bad, baleful, baneful, damaging, dangerous, deleterious, detrimental, evil, hurtful, ill, injurious, harmful, nocuous, noxious, pernicious, prejudicial, wickedRelated Words hostile, inimical, unfriendly; contagious, deadly, infectious, infective, pestiferous, pestilent, pestilential, poisonous, venomous; insidious, menacing, ominous, sinister, threatening; hazardous, imperiling (or imperilling), jeopardizing, parlous, perilous, risky, unsafe, unsound; nasty, noisome, unhealthful, unhealthy, unwholesome; destructive, fatal, killer, lethal, malignant, ruinousNear Antonyms advantageous, beneficial, useful; favorable, good, propitious; curative, healthful, healthy, helpful, palliative, remedial, salubrious, salutary, wholesome; secure, sound; benignant; noncorrosive, nondestructive, nonfatal, noninfectious, nonlethal, nonpoisonous, nonpolluting, nontoxic, nonvenomousAntonyms anodyne, benign, harmless, hurtless, innocent, innocuous, inoffensive, safe